Dear All, Can anybody please tell me which value(saturated or unsaturated) of sub-transient reactance(Xd") we take for the calculation of fault current of the system?

2 Answers  

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why we use REF and Differential Protection in one transformers?my doubt is both protections are operated in internal fault only.why we want to use 2 protections?please clarify.

7 Answers  

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Difference between Profibus DP/PA?what does it stand for and how is it use in process?

1 Answers  

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Write the formula for Fault MVA, Fault current, Base MVA.

2 Answers  

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what will happen if i connect or change line with phase terminal

1 Answers  

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Can we use HRC Fuse inplace of Semiconductor fuse?

1 Answers  

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for a 11kv transmission line what capacity of CTs & PTs are required?

4 Answers  

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if we convert Ampers into kva,which one formula use by us,pls tell me?

10 Answers   ABB,

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What will happen if v use DCP Type Fire Exingusher on a Server Chaisis???

1 Answers   Emerson,

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why florescent light was flickering?

4 Answers  

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why substation rating interms of 11 multiples???like 11kv/33kv iis there any special reason???

5 Answers  

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how to calculate mf when meter and cTPT detail are given

0 Answers   IBM,

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